Computing device display screen or portion thereof with an icon image



The attached FIGURE illustrates a computing device display screen or portion thereof with an icon image.

The FIGURE is a front view of a computing device display screen or portion thereof with an icon in accordance with the claimed design.

The broken line showing of the display screen or portion thereof forms no part of the claimed design. 

CLAIM The ornamental design for a computing device display screen or portion thereof with an icon, as shown and described. 